Identifies reticulin fibers in tissue sections liver, kidney and spleen. Reticulin is a type III collagen found in the basement membrane of many organs and provides structural integrity. Reticulin Stain Kit is a metal impregnation technique, where ammoniacal silver initially binds to the tissue component of interest, the reducing agent (formalin) produces a dark insoluble precipitate, then treated by toning and fixing in sodium thiosulfate.
Kit Contains:

Potassium Permanganate, 1% Aqueous Solution
Oxalic Acid, 1% Aqueous Solution
Ferric Ammonium Sulfate, 2.5% Aqueous Solution
Silver Nitrate, 10% Aqueous Solution Store at 4° C
Ammonium Hydroxide, 28-30% ACS
Sodium Hydroxide, 3% Aqueous
Formalin, 10% Aqueous Solution
Gold Chloride, 0.2% Aqueous
Sodium Thiosulfate, 5% Aqueous
Nuclear Fast Red Stain Solution, 1%

Results:

Reticulin fibers-black, fine linear pattern
Nuclei-taupe/color of counterstain
Other tissue elements-pink to red